3Paul W. Taylor, Respect For Nature: A Theory of Environmental Ethcs, Princeton, New Jersey: Princeton University Press, 1986, p. 14.
4Paul W. Taylor, Respect For Nature: A Theory of Environmental Ethcs, Princeton, New Jersey: Princeton University Press, 1986, p. 16.
5Roderrick Frazier Nash, The Rights of Nature A History of Environmental Ethics, London: The University of Wisconsin Press, 1989, p. 155.
6Joseph R. Des Jardins, Environmental Ethics: An Introduction to Environmental Philosophy, California: Wadsworth Publishing Company Belmont, 1993, p. 111.
7Joseph R. Des Jardins, Environmental Ethics: An Introduction to Environmental Philosophy, California: Wadsworth Publishing Company Belmont, 1993, p.149.